$ git clone -n https://gitee.com/wency_cn/volume_key_1770726715.git /var/lib/mock/dist-an23-build-513094-75099/root/chroot_tmpdir/scmroot/volume_key_1770726715
Cloning into '/var/lib/mock/dist-an23-build-513094-75099/root/chroot_tmpdir/scmroot/volume_key_1770726715'...
$ git fetch origin 15ec92cbde355b09e9e08c63621525f63875270f:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/volume_key_1770726715
 * [new ref]         15ec92cbde355b09e9e08c63621525f63875270f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15ec92c Update code from upstream